error-correcting code造句
例句与造句
- Qr code is a kind of 2d matrix barcode . it has high density , great capacity that will influent coding of 2d - barcode . a rs code is cyclic symbol error - correcting code , which can correct lost or missing data for damaged symbols
Qrcode是一种矩阵二维码，具有信息密度大、容量高的优点，因此，译码时受噪声的干扰大，采用纠错能力比较强的非二进制bch码中的一类? rs码进行编码，可以有效地抗除干扰进行纠错。 - Orthogonal arrays are related to combinatorics , finite fields , geometry and error - correcting codes , etc . the definition of an orthogonal array is simple and natural , and we know many elegant constructions - yet there are at least as many unsolved problems
正交表不但非常有用，而且十分优美，它的数学理论涉及组合数学、有限域、几何和纠错码等领域。它的定义简单而自然，我们知道它许多优美的构造，然而也有大量的问题尚未解决。 - Chapter 5 gives the design illumination of the rs coder and decoder based on fpga . then it gives the integrated results for realization design of the rs ( 31 , 15 ) error - correcting code . after that , it gives the functional and layout simulation results for the limited field multiplier , divider , rs coder and rs de - coder
第五章给出了基于fpga实现的rs编码器和译码器设计说明, rs ( 31 , 15 )纠错码设计实现的综合结果,有限域乘法器、除法器、 rs编码器、 rs译码器的功能仿真和布局布线后仿真结果,最后总结主要的调试经验。 - Low density parity check ( ldpc ) codes are good error - correcting codes , which can approach shannon ' s capacity limit . due to the sparsity of its check matrix , ldpc codes can be decoded only with linear time complexity using iterative decoding algorithm . therefore , ldpc codes have become one of the most attractive fields in the channel coding community
低密度校验码是一种逼近香农限的好码，由于其校验矩阵的稀疏特性，采用迭代译码算法，它的译码仅具有线性时间复杂度，所以目前ldpc码己成为信道编码理论界的研究热点之一。 - In order to keep the signal transmission unfailing , bch error - correcting code is applied in the system . this kind of system does n ' t affect the application television broadcasting normally and does n ' t increase video signal bandwidth additionally . it optimizes the transmission circuit for control signals and solves the problem of time - delaying , thereby it promotes the transmission more efficiently and economically
这种新型的应用电视在不影响电视正常播放和不增加电视传输带宽的前提下，将控制信号搭载在视频信号通道上运行，优化了控制信号传输线路，解决了时延问题，达到了利用电视信号逆程资源的目的，真正意义上实现了单缆传输监控系统，促进了监控系统的高效化和经济化。 - It's difficult to find error-correcting code in a sentence. 用error-correcting code造句挺难的
- This paper mainly contains the following aspects : ( 1 ) first , simply introduce the development of error - correcting codes ; analyse the capacity of channels ; and introduce the background of ldpc codes , point out that researching on ldpc codes will help us get to the shannon limit
本文主要研究内容如下: ( 1 )首先,简要概述了纠错编码的发展情况;并分析了信道容量的计算;对ldpc码的产生和研究现状进行了论述,指出对ldpc码的深入研究,有助于我们朝着shannon限所在的方向迈出更大的步伐。 - We discuss the theory and technology of coding and cryptology in the study of information security and information reliability in the disseration . some valuable theoretic results are presented , most of these results are published on the important journey of china , parts of these results are used in some application system . in the design and analysis of error - correcting codes , we obtain the following results
本文探讨了信息安全和信息可靠性研究中的编码密码理论与技术，在纠错码的设计与分析、序列密码的设计与分析以及分组密码的设计与分析等方面，得到了一些有价值的理论结果，大多数结果已在国内核心刊物上发表，有些结果已用于实际的应用系统。 - Low - density parity - check ( ldpc ) codes are a class of capacity approaching error - correcting codes . by using low complexity sum - product algorithm , ldpc codes can get near shannon limit decoding performance with almost all errors detectable . for long code lengths , ldpc codes can even outperform turbo codes
低密度校验码是一种能逼近shannon容量限的渐进好码，在长码时其性能甚至超过了turbo码，其译码采用具有线性复杂度的和积算法，复杂度大大低于turbo码，并且几乎所有错误都是可检的。 - In the first chapter , the basis of communication and channel coding theory is introduced briefly , the present situation of the development of error - correcting code and ldpc codes are pointed out . the second chapter introduces the tdd beyond 3g system model , including the system ’ s demand , the system ’ s target and the system ’ s basic parameter
第一章介绍了通信系统、信道编码理论的基础知识、纠错码的发展状况, ldpc码的提出及其发展,第二章介绍了我校设计的tddbeyond3g系统模型,包括系统的设计要求、指标及系统的基本参数。 - In this paper , bit - error rate performance analyses are presented for coded and un - coded frequency hopping m - ary frequency - shift keyed systems under the condition of additive white gaussian noise ( awgn ) and partial band noise jamming and multitone jamming . the use of error - correct codes provide a way to improve the performance of frequency hopping system , particularly the use of reed - solomon code in a fh system under the condition of partial band noise jamming can greatly improve the performance of system . so we provide the way of coding and decoding of rs code in c language . in the end , we offer the simulation of the performance of time diversity fh / 2fsk system over partial band jamming noise channels
第一章为绪论，叙述跳频通信的发展趋势，以及基本概念，第二章及第三章介绍提高抗部分频带干扰的前向纠错码reed - solomon码的原理和实现方法。第四章研究跳频通信系统在各种干扰条件下的性能。最后在第五章以fh mfsk系统为例，探讨在部分频带干扰下的系统性能，并进行计算机仿真，仿真结果表明采用分集技术和各种编码技术对于系统的性能改善具有明显的效果。
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